CN212565222U

CN212565222U - Support device suitable for single-lens oblique photography

Info

Publication number: CN212565222U
Application number: CN202021051580.4U
Authority: CN
Inventors: 袁媛; 侯生辉; 杨冲; 武世虎; 景瑞
Original assignee: Shanxi Coal Geological 115 Exploration Institute
Current assignee: Shanxi Coal Geology 115 Exploration Institute Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-02-19
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a support device suitable for single lens oblique photography relates to the unmanned aerial vehicle field of taking photo by plane. The device includes gear drive structure and camera loading structure, gear drive structure includes the mounting disc, the rotating electrical machines, rotatory gear dish and dead lever, the mounting disc is installed in the unmanned aerial vehicle bottom, the central point of its bottom surface puts fixedly connected with rotating electrical machines, the output shaft of rotating electrical machines passes through the dead lever and is connected with rotatory gear disc, the bottom surface edge part of rotatory gear dish is gear structure, all the other are glossy track structure, camera loading attachment includes camera fixing device, camera fixing device's both sides still are equipped with the same left gear dish and right gear dish respectively, camera fixing device left side is together installed on the left side mount with left gear dish, camera fixing device right side is together installed on the right side mount with right gear dish, the left side mount is coaxial with the right side mount.

Description

Support device suitable for single-lens oblique photography

Technical Field

The utility model relates to an unmanned aerial vehicle field of taking photo by plane, concretely relates to support device suitable for single-lens oblique photography can be applied to the rotation type single-lens that unmanned aerial vehicle carried on.

Background

Oblique photography technology has attracted much attention in recent years, and an automatic three-dimensional modeling technology made based on the shooting effect is an emerging high-tech technology in the fields of remote sensing and surveying and mapping, can provide richer and comprehensive geographic information for users, realizes the visualization of geographic data, brings more friendly user experience, and is widely popular in various fields. At present, a plurality of surveying and mapping units and related enterprises at home and abroad widely use an oblique photography shooting mode to acquire data to produce a three-dimensional model, and at present, the technology is slowly developed, wherein one of the reasons is the technical limitation of a shooting device for acquiring an oblique image.

The traditional oblique photography mainly uses a 5-lens oblique photography aerial camera, which comprises a bracket and 5 oblique lenses fixed on the bracket for downward viewing, left viewing, right viewing, forward viewing and back viewing to complete the shooting work, but has the problem of fixed delivery angle, so that the shooting angle is lack of flexibility. Therefore, a structure improved on the basis of the existing aerial camera is needed to solve the problem.

Disclosure of Invention

The utility model discloses a solve the problem that the angle lacks the flexibility among traditional unmanned aerial vehicle oblique photography, provide a support device suitable for single-lens oblique photography.

The utility model discloses a realize through following technical scheme: a support device suitable for single-lens oblique photography comprises a gear transmission structure and a camera loading structure, wherein the gear transmission structure comprises an installation disc, the installation disc is installed at the bottom of an unmanned aerial vehicle, a rotary motor is fixedly connected to the center of the bottom surface of the installation disc, an output shaft of the rotary motor is connected with a rotary gear disc through a fixed rod, one part of the edge of the bottom surface of the rotary gear disc is of a gear structure, the edge of the bottom surface of the rotary gear disc except the gear structure is of a smooth track structure, and the gear tooth direction of the gear structure faces downwards; the camera loading device comprises a camera fixing device, wherein the two sides of the camera fixing device are respectively provided with a left gear disc and a right gear disc which are the same, the left side of the camera fixing device and the left gear disc are installed on a left side fixing frame together, the right side of the camera fixing device and the right gear disc are installed on a right side fixing frame together, the left side fixing frame and the right side fixing frame are coaxial, a central rotating shaft of the left gear disc is connected with the left side fixing frame through a bearing, and a central rotating shaft of the right gear disc is also connected with the right side fixing frame through a bearing; the diameter of rotatory gear dish equals the distance between left gear dish and the right gear dish, the arc length that the length of rotatory gear dish bottom surface edge gear structure corresponds with the central angle of the fixed deflection angle of left and right gear dish equals, left side gear dish and right gear dish are full circle gear structure, and the teeth of a cogwheel size phase-match of gear structure, the gear structure at rotatory gear dish bottom surface edge meshes with left gear dish and right gear dish in turn when rotatory.

The utility model relates to a support device suitable for single-lens oblique photography, which is a rotary single-lens oblique photography support structure carried by an unmanned aerial vehicle designed by utilizing the mechanical principle, the device comprises a gear transmission structure and a camera loading structure, the gear transmission structure is arranged at the bottom of the unmanned aerial vehicle and is used for driving the camera loading structure to rotate to take a picture, the gear transmission structure comprises a mounting disc, a rotating motor, a rotating gear disc and a fixed rod, the fixed rod is made of hard material, the mounting disc is arranged at the bottom of the unmanned aerial vehicle, the mounting disc is the central position of the bottom surface of the bottom mounting disc and is fixedly connected with the rotating motor, the rotating motor is used for driving the rotating gear disc to rotate, so that the output shaft of the rotating motor is connected with the rotating gear disc through the fixed rod, in order to drive the camera loading structure to rotate by a certain angle required during working, so that one part of, the edge of the bottom surface of the camera loading device is of a smooth track structure except for the gear structure, the gear tooth direction of the gear structure faces downwards, and the gear structure can drive the camera loading device to rotate for a certain angle without rotating all the time; the camera loading device mainly comprises a camera fixing device, a left gear disc and a right gear disc which are identical on two sides, wherein the left side of the camera fixing device and the left gear disc are installed on a left side fixing frame together; in order to reach the reliable meshing, the diameter that at first needs the rotatory gear dish equals the distance between left gear dish and the right gear dish, then the length and a left side of rotatory gear dish bottom surface edge gear structure, the arc length that the central angle of the fixed deflection angle of right gear dish corresponds equals, last left gear dish and right gear dish are full circle gear structure, and the teeth of a cogwheel size and gear structure's teeth of a cogwheel size phase-match, after satisfying these three conditions, alright when using, thereby gear structure and left and right sides gear dish reliably mesh drive the camera rotation and shoot, realize the stepless shooting in the angle, solve the problem that the angle lacks the flexibility in traditional unmanned aerial vehicle oblique photography effectively. The length of rotatory rim of gear dish bottom surface edge gear structure equals with the arc length that the central angle of the fixed deflection angle of left and right rim of gear dish corresponds, this condition is according to the demand of shooing, the rotation angle demand of camera promptly, this fixed deflection angle can have a plurality of degrees, just also can have the rotatory gear dish that a plurality of gear structure arc length are different, the arc length of difference is to the different environment of shooing, can change the gear dish as required, the length of gear structure is exactly the length of in-service gear interlock. The utility model discloses the specific operation does: firstly, selecting a rotary gear disc corresponding to an arc length according to a deflection angle required by camera photographing at the time to be correspondingly installed at one end of a fixed rod, wherein the other end of the fixed rod is connected with an output shaft of a rotary motor, and installing the installation disc at the bottom of the unmanned aerial vehicle after the rotary motor is installed on the installation disc; then the camera fixing device is fixed, the distance between the left and right gear discs is the same as the diameter of the rotary gear disc, when the device is still and does not start to rotate, the camera is in a horizontal state, so that the left and right gear discs and the gear structure are in a state of being capable of being just engaged, when the unmanned aerial vehicle takes off to an area needing photographing, the rotating motor starts to work to drive the rotating gear disc to rotate, so that the gear structure and the gear disc on one side start to be meshed and driven, so that the camera starts to rotate to generate a deflection angle, and as the meshing length of the gears is the arc length corresponding to the fixed deflection angles of the left and right gear discs, the camera has a deflection angle of this degree, and the gear structure continues to rotate after being separated from the gear disc on this side, the camera is returned to the horizontal state, when the gear structure is meshed with the gear disc on the other side, the camera deflects to generate a deflection angle; the rotating gear disc is driven to rotate through continuous rotation of the rotating motor, so that the left gear disc and the right gear disc are in continuous meshing transmission with the gear structure in turn, the camera is driven to form a deflection angle, oblique photography work is finished, and in use, the rotating speed of the motor needs to be slowly met with photography needs.

Compared with the prior art the utility model discloses following beneficial effect has: the utility model provides a support suitable for single lens oblique photography, weight is lighter, and easy operation and camera lens are nimble at rotatory in-process oblique photography angle, reach and replace many camera lenses modes with the single lens and accomplish oblique photographic work, realize the high-efficient utilization of camera lens.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the camera mounting structure of the present invention.

The figures are labeled as follows: the method comprises the following steps of 1-mounting plate, 2-rotating motor, 3-rotating gear plate, 4-gear structure, 5-fixing rod, 6-left gear plate, 7-camera fixing device, 8-right gear plate, 9-left side fixing frame and 10-right side fixing frame.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

A stand device suitable for single-lens oblique photography is disclosed in figures 1-2: the unmanned aerial vehicle is characterized by comprising a gear transmission structure and a camera loading structure, wherein the gear transmission structure comprises a mounting disc 1, the mounting disc 1 is mounted at the bottom of the unmanned aerial vehicle, a rotary motor 2 is fixedly connected to the center of the bottom surface of the mounting disc 1, an output shaft of the rotary motor 2 is connected with a rotary gear disc 3 through a fixed rod 5, one part of the edge of the bottom surface of the rotary gear disc 3 is a gear structure 4, the edge of the bottom surface of the rotary gear disc 3 except the gear structure 4 is of a smooth track structure, and the gear teeth of the gear structure 4 face downwards; the camera loading device comprises a camera fixing device 7, wherein the two sides of the camera fixing device 7 are respectively provided with a left gear disc 6 and a right gear disc 8 which are the same, the left side of the camera fixing device 7 and the left gear disc 6 are installed on a left side fixing frame 9 together, the right side of the camera fixing device 7 and the right gear disc 8 are installed on a right side fixing frame 10 together, the left side fixing frame 9 and the right side fixing frame 10 are coaxial, a central rotating shaft of the left gear disc 6 is connected with the left side fixing frame 9 through a bearing, and a central rotating shaft of the right gear disc 8 is also connected with the right side fixing frame 10 through a bearing; the diameter of rotatory toothed disc 3 equals the distance between left toothed disc 6 and the right toothed disc 8, the length of 3 bottom surface edge gear structures 4 of rotatory toothed disc equals with the arc length that the central angle of the fixed deflection angle of left and

right toothed disc

6, 8 corresponds, left side toothed disc 6 and right toothed disc 8 are full circle gear structure, and the teeth of a cogwheel size phase-match of gear structure 4, 3 bottom surface edge gear structures 4 of rotatory toothed disc mesh in turn with left toothed disc 6 and right toothed disc 8 when rotatory.

The length of the gear structure 4 at the bottom edge of the rotary gear disc 3 is equal to the arc length corresponding to the central angle of 45 degrees, 60 degrees, 75 degrees or 120 degrees of the left and

right gear discs

6 and 8; in this embodiment, the preferred scheme is adopted: the fixing rod 5 is made of carbon fiber; simultaneously, in this embodiment, the selected rotary gear disc 3 is: the length of the gear structure 4 at the bottom edge of the rotary gear disc 3 is equal to the arc length corresponding to the 60-degree central angles of the left and

right gear discs

6 and 8.

The embodiment specifically operates as follows: firstly, a rotary gear disc 3 with a corresponding arc length is selected according to a 60-degree deflection angle required by photographing of a camera at that time to be correspondingly installed at one end of a fixed rod 5, the other end of the fixed rod 5 is connected with an output shaft of a rotary motor 2, and the installation disc 1 is installed at the bottom of an unmanned aerial vehicle after the rotary motor 2 is installed on the installation disc 1; then fixing the camera fixing device 7, making the distance between the left and right gear discs the same as the diameter of the rotary gear disc 3, when the device is still and does not start to rotate, the camera is in a horizontal state, making the left and

right gear discs

6, 8 and the gear structure 4 in a state of being capable of just facing to the engagement, when the unmanned aerial vehicle takes off to an area needing to take a picture, the rotary motor 2 starts to work, driving the rotary gear disc 3 to rotate, making the gear structure 4 start to engage and transmit with the gear disc on one side, so that the camera starts to rotate to generate a deflection angle, because the engagement length of the gears is the arc length corresponding to the 60 degrees of the left and right gear discs, the camera generates the deflection angle of 60 degrees, the gear structure 4 continues to rotate after being separated from the gear disc on the side, the camera returns to a horizontal state, when the gear structure 4 is engaged with the gear disc on the other side, the camera can deflect again, generating a deflection angle; through the continuous rotation of rotating electrical machines 2, drive rotatory gear dish 3 rotatory to gear dish carries out continuous meshing transmission with gear structure 4 in turn about making, drives the camera and forms deflection angle, thereby accomplishes the oblique photography work, and in the use, the rotational speed of motor needs to satisfy photographic needs slowly. In this embodiment, the fixing manner of the camera fixing device 7 is relatively free, and those skilled in the art will understand that the purpose of reliably engaging and driving the gear structure 4 with the left and right gear discs can be achieved.

The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a support device suitable for single lens oblique photography which characterized in that: the camera mounting structure comprises a gear transmission structure and a camera loading structure, wherein the gear transmission structure comprises a mounting disc (1), the mounting disc (1) is mounted at the bottom of an unmanned aerial vehicle, a rotary motor (2) is fixedly connected to the center of the bottom of the mounting disc (1), an output shaft of the rotary motor (2) is connected with a rotary gear disc (3) through a fixing rod (5), one part of the edge of the bottom of the rotary gear disc (3) is a gear structure (4), the edge of the bottom of the rotary gear disc (3) except the gear structure (4) is of a smooth track structure, and the gear tooth direction of the gear structure (4) faces downwards; the camera loading device comprises a camera fixing device (7), wherein the two sides of the camera fixing device (7) are respectively provided with a left gear disc (6) and a right gear disc (8) which are the same, the left side of the camera fixing device (7) and the left gear disc (6) are installed on a left side fixing frame (9) together, the right side of the camera fixing device (7) and the right gear disc (8) are installed on a right side fixing frame (10) together, the left side fixing frame (9) and the right side fixing frame (10) are coaxial, a central rotating shaft of the left gear disc (6) is connected with the left side fixing frame (9) through a bearing, and a central rotating shaft of the right gear disc (8) is also connected with the right side fixing frame (10) through a bearing; the diameter of rotatory gear dish (3) equals the distance between left gear dish (6) and right gear dish (8), the length of rotatory gear dish (3) bottom surface edge gear structure (4) equals with the arc length that the central angle of the fixed deflection angle of left and right gear dish (6, 8) corresponds, left side gear dish (6) and right gear dish (8) are full circle gear structure, and the teeth of a cogwheel size phase-match of gear structure (4), gear structure (4) at rotatory gear dish (3) bottom surface edge meshes with left gear dish (6) and right gear dish (8) in turn.

2. The mount device for single-lens oblique photography according to claim 1, wherein: the fixing rod (5) is made of carbon fiber.

3. The mount device for single-lens oblique photography according to claim 1, wherein: the length of the gear structure (4) at the bottom edge of the rotary gear plate (3) is equal to the arc length corresponding to the central angles of 45 degrees, 60 degrees, 75 degrees or 120 degrees of the left and right gear plates (6 and 8).